Question: What are thewater deity which start with the letter'y
Paraphrase: What is the water deity that begins with the letter y
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q1916821 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'y')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: Yuqiang, Yuqiang, Yamata no Orochi, Yamata no Orochi, Yinglong, Yinglong, Yam, Yam, Yemaja, Yemaja, Yami, Yami, Yu Shi, Yu Shi